422522154 has 12 divisors (see below), whose sum is σ = 915464706. Its totient is φ = 140840712.

The previous prime is 422522147. The next prime is 422522159. The reversal of 422522154 is 451225224.

It can be written as a sum of positive squares in only one way, i.e., 417998025 + 4524129 = 20445^2 + 2127^2 .

It is not an unprimeable number, because it can be changed into a prime (422522159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11736709 + ... + 11736744.

Almost surely, 2^422522154 is an apocalyptic number.

422522154 is an abundant number, since it is smaller than the sum of its proper divisors (492942552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422522154 is a wasteful number, since it uses less digits than its factorization.

422522154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23473461 (or 23473458 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 422522154 is about 20555.3436847940. The cubic root of 422522154 is about 750.3833027386.

Adding to 422522154 its reverse (451225224), we get a palindrome (873747378).

The spelling of 422522154 in words is "four hundred twenty-two million, five hundred twenty-two thousand, one hundred fifty-four".